/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

package org.apache.samza.container

import java.lang.Thread.UncaughtExceptionHandler
import org.apache.samza.util.Logging

/**
 * An UncaughtExceptionHandler that simply shuts down when any thread throws
 * an uncaught exception.
 */
class SamzaContainerExceptionHandler(exit: () => Unit) extends UncaughtExceptionHandler with Logging {
  def uncaughtException(t: Thread, e: Throwable) {
    error("Uncaught exception in thread (name=%s). Exiting process now.".format(t.getName), e)
    e.printStackTrace(System.err);
    exit()
  }
}